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<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\log; |
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use Psr\Log\LoggerInterface; |
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use yii\base\InvalidConfigException; |
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use yii\di\Instance; |
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/** |
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* PsrTarget is a log target which simply passes messages to another PSR-3 compatible logger, |
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* which is specified via [[$logger]]. |
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* |
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* Application configuration example: |
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* |
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* ```php |
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* return [ |
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* 'logger' => [ |
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* 'targets' => [ |
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* [ |
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* 'class' => yii\log\LoggerTarget::class, |
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* 'logger' => function () { |
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* $logger = new \Monolog\Logger('my_logger'); |
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* $logger->pushHandler(new \Monolog\Handler\SlackHandler('slack_token', 'logs', null, true, null, \Monolog\Logger::DEBUG)); |
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* return $logger; |
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* }, |
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* ], |
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* ], |
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* // ... |
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* ], |
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* // ... |
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* ]; |
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* ``` |
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* |
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* > Warning: make sure logger specified via [[$logger]] is not the same as [[Yii::getLogger()]], otherwise |
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* your program may fall into infinite loop. |
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* |
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* @property LoggerInterface $logger logger to be used by this target. Refer to [[setLogger()]] for details. |
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* |
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* @author Paul Klimov <[email protected]> |
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* @author Alexander Makarov <[email protected]> |
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* @since 2.1 |
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*/ |
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class LoggerTarget extends Target |
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{ |
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/** |
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* @var LoggerInterface logger instance to be used for messages processing. |
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*/ |
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private $_logger; |
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/** |
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* Sets the PSR-3 logger used to save messages of this target. |
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* @param LoggerInterface|\Closure|array $logger logger instance or its DI compatible configuration. |
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* @throws InvalidConfigException |
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*/ |
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public function setLogger($logger) |
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{ |
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if ($logger instanceof \Closure) { |
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$logger = call_user_func($logger); |
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} |
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$this->_logger = Instance::ensure($logger, LoggerInterface::class); |
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} |
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/** |
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* @return LoggerInterface logger instance. |
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* @throws InvalidConfigException if logger is not set. |
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*/ |
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public function getLogger() |
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{ |
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if ($this->_logger === null) { |
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throw new InvalidConfigException('"' . get_class($this) . '::$logger" must be set to be "' . LoggerInterface::class . '" instance'); |
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} |
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return $this->_logger; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function export() |
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{ |
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foreach ($this->messages as $message) { |
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[$level, $text, $context] = $message; |
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$this->getLogger()->log($level, $text, $context); |
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} |
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} |
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} |
yiisoft /
yii2
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.